开发板到了，先点个灯吧，使用STM32CUBEMX,对HAL库还不是很熟悉，才开始还走了一点弯路，不知道HAL_GPIO_WritePin（）函数如何设置，后来发现原来在这里， 呵呵，见笑了，参考了汇总帖才弄好。
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: L$ i, J! c' O% x/ C8 [! G' I以下是main（）函数，总体感觉HAL库还是很好用的，要是有更详细的文档说明就更好了。
  ~, _( e8 \8 V1 V" K/ X6 l/**
8 U9 J1 Y- c4 }6 h0 h  ******************************************************************************
5 f. C3 j# Q$ i8 x- b4 z  * File Name          : main.c
  * Date               : 25/12/2014 16:24:54
6 b4 z% b4 l1 d7 H) N, O+ G  * Description        : Main program body
) Z7 `5 J- d* Q/ a5 _; y6 j  ******************************************************************************
! q. b) g8 k" c' a: i4 C8 @$ o  *
  * COPYRIGHT(c) 2014 STMicroelectronics
  *
7 Z8 y+ I. e% _  * Redistribution and use in source and binary forms, with or without modification,
7 |  A: Y$ N# O: D+ m5 Y  * are permitted provided that the following conditions are met:
  *   1. Redistributions of source code must retain the above copyright notice,
  *      this list of conditions and the following disclaimer.
4 q* O$ J9 ?. f& P$ S) F  *   2. Redistributions in binary form must reproduce the above copyright notice,
4 W2 i& Q1 ~& P  *      this list of conditions and the following disclaimer in the documentation
  *      and/or other materials provided with the distribution.
  *   3. Neither the name of STMicroelectronics nor the names of its contributors
; |4 \* A9 m8 P$ V/ O  *      may be used to endorse or promote products derived from this software
1 k9 T1 K5 V$ W; i5 e8 o7 w  *      without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
1 ?$ w9 f/ g+ O0 X, s1 i  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
3 e. ?/ w  g5 c4 ?9 o8 j; R  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
' T7 |2 P0 f, b# M  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
4 R1 x7 d- O- T) G8 r5 x  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
$ v1 {" s9 J" W  j4 l  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *
$ [7 U+ [$ `! k& Y/ E  ******************************************************************************
0 r+ O* D4 o6 n! P; ?8 U4 q  */

/* Includes ------------------------------------------------------------------*/
#include "stm32f0xx_hal.h"

/* USER CODE BEGIN Includes */

/* USER CODE END Includes */
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+ v4 ?+ u/ ?, y) V( S/* Private variables ---------------------------------------------------------*/
8 |  x1 G( ~) k- t4 a' n' T3 ^
/* USER CODE BEGIN PV */
! }" x. |6 L. M# Y/ |
/* USER CODE END PV */
: Z: G* r4 C# n7 v6 z/ V- ^
0 `4 u$ B( {5 [, Q# O1 m: L/* Private function prototypes -----------------------------------------------*/
void SystemClock_Config(void);
7 f! Q  R: C6 u2 M( D5 ^static void MX_GPIO_Init(void);

+ o' t0 T% y4 G. q* G/* USER CODE BEGIN PFP */
; N6 N0 I# `- i+ Y! C
/* USER CODE END PFP */
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' V- v/ k  p" u2 z) u2 ?2 F" P/* USER CODE BEGIN 0 */

/* USER CODE END 0 */
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int main(void)
{

  /* USER CODE BEGIN 1 */

  /* USER CODE END 1 */
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  /* MCU Configuration----------------------------------------------------------*/
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. h. i5 M; }  t, x0 D* s8 v; U: }  /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
8 a1 V- W1 [# y  HAL_Init();

  /* Configure the system clock */
0 J& U3 K- }: K0 |5 a  SystemClock_Config();

2 n) `) E$ n, S! n; }2 C/ m  /* Initialize all configured peripherals */
  MX_GPIO_Init();
# }3 y& |! `, g; R) B
/ w" N$ U" _& |. p  /* USER CODE BEGIN 2 */
/ B+ n1 ^% o, t2 [  
  /* USER CODE END 2 */

( M/ f  [8 N9 K' e2 ~! c8 S  /* USER CODE BEGIN 3 */
5 g0 Z: }* m! w  /* Infinite loop */
  while (1)
  {
     HAL_GPIO_WritePin(GPIOA,GPIO_PIN_5,GPIO_PIN_SET);
         HAL_Delay(500);
& a$ N# K1 C9 |& F4 D2 N& g9 g         HAL_GPIO_WritePin(GPIOA,GPIO_PIN_5,GPIO_PIN_RESET);
: D8 I9 T* h; z- d  ?* ~* X         HAL_Delay(500);
  }
  /* USER CODE END 3 */
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: k8 c' S( N- }: J: K$ S5 U3 \}

8 c7 o+ b0 s) K; s2 B+ L8 q/** System Clock Configuration
*/
void SystemClock_Config(void)
) |; r% i) s' n{
  C9 L' E" f. n( j, ]
  RCC_OscInitTypeDef RCC_OscInitStruct;
7 ^2 d2 j% |& U, e  RCC_ClkInitTypeDef RCC_ClkInitStruct;

  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI;
  RCC_OscInitStruct.HSIState = RCC_HSI_ON;
  RCC_OscInitStruct.HSICalibrationValue = 16;
' ?' O+ J% m6 w0 T7 r  RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE;
  HAL_RCC_OscConfig(&RCC_OscInitStruct);
8 R+ O9 C% M$ v  r4 ]* ?
  RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_SYSCLK;
* O1 G! F: w' e# x$ X1 Q# j  RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_HSI;
  RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
0 c- y: P$ |; h" G3 M  RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
' o3 a0 a/ ?  [  HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_0);

  __SYSCFG_CLK_ENABLE();
3 q4 ~& X' @9 [$ {
}

+ A' U1 Z$ y# i3 `$ L- @/** Configure pins as
; }$ J) o6 a; |+ m6 S0 N1 z3 l        * Analog
" ?  K/ W  `$ C6 N6 H) x0 c- ^        * Input
        * Output
        * EVENT_OUT
        * EXTI
*/
3 k0 r9 p! M% V! Z/ Tvoid MX_GPIO_Init(void)
{
+ }9 v1 w. E9 v/ d3 R
  GPIO_InitTypeDef GPIO_InitStruct;

. s: L2 t: q& `, U  /* GPIO Ports Clock Enable */
  __GPIOA_CLK_ENABLE();
! U6 m' {5 }  f5 ?  Q: ]4 N4 @, K2 _
; R$ c& o) H* C! J+ n# D$ d0 b  /*Configure GPIO pin : PA5 */
  GPIO_InitStruct.Pin = GPIO_PIN_5;
4 t3 u' t- s4 r' U  GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
  GPIO_InitStruct.Pull = GPIO_NOPULL;
  GPIO_InitStruct.Speed = GPIO_SPEED_LOW;
  HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
9 M: c, a4 K8 a  {7 g  O+ ?
/ C* Z( d2 z" B4 l. N* C& [}
; ]7 z) W$ b3 C) l- T2 H# Q# v
/* USER CODE BEGIN 4 */

( x4 m5 U) {0 E2 V3 l, N' G. m# S/* USER CODE END 4 */
' @3 g! L$ M/ v9 M4 p- _8 F2 z9 I
#ifdef USE_FULL_ASSERT
8 p9 A) x7 ^& v0 O
" s& E, M$ {/ S* s% Y/**
   * @brief Reports the name of the source file and the source line number
   * where the assert_param error has occurred.
   * @param file: pointer to the source file name
   * @param line: assert_param error line source number
4 R. p' _, I: k' c   * @retval None
. _  j- ^! N5 e* f6 y   */
void assert_failed(uint8_t* file, uint32_t line)
{
7 u; ^* c! r/ g, K  /* USER CODE BEGIN 6 */
" m; d& L* O  C% M% P9 _  /* User can add his own implementation to report the file name and line number,
* K5 u& o$ f, w! v# m4 I: U% j    ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
  /* USER CODE END 6 */
/ S, L8 |. k" ~
( ~2 N$ u( O+ \1 I# _$ Z, a* W8 ~}
9 |7 J5 U1 j: J. d5 [' {
#endif

' v8 N8 z& r2 z+ P8 c/ K/**
% s; U5 a# C, g2 S* J( D  q  * @}
  */

8 E" t! Q2 c- e1 e" @/**
# g  l+ C, K5 k6 s  * @}
2 ^- |7 P" i5 m# D# P9 U*/
/ c, D2 i- W( U+ ~; i, B# }. q1 b
; G* F' V. q8 Q: C/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
' }  m) `6 L# q* B# y+ Y3 Z
4 F9 u3 ?9 P* c5 O
& ~8 c! X! t. Z2 Q5 q# Y+ H- I2 ?: Q

谢谢~通常来说，下一步就是按键了

是啊 按套路来